Explosive-engine.



C. L. GOOKSON.

EXPLOSIVB ENGINE,

APPLICATION 1`[LEDOLT,I30, 1909. 1,1 10,612 Patented Sept. 15. 1914.

3 SHBETSHSHEET 1.

C. L. COKSON.

EXPLOSIVE ENGINE.

APPLICATION FILED 001230, 1909.

Patented sept. 15,1914.

3 SHEETS dSHEET 2.

C. L. COOKSON.

EXPLOSVE ENGINE.

PLIGATION FILED 00T.30,1909.

Patented Sept. 15, 1914.

3 SHEETS-SHEET 3.

Muff/.Ummm

v the cylinder and the exploded mixture is` Toall whom it may co'ncmi:

UNITED STATES PATENT .oEEieE CHARLES L. COOKSONQOF KANSAS CITY, MISSOURI.

EXPLOSIVENGINE.

Specication of Letters Patent.

Patented Sept. 15, 1914;.

l Applicationled' October 30, 1909. Serial No. 525,544.

Be it knownl that I, CHARLES L. CooiisoN, a citizen of the United fStates, residing at Kansas City, in thev coun-tyof Jackson and State of Missouri, have invented/certain new and useful Improvements in Explosive-Enwithdrawn from the cylinderl and which is geared lto and operated vfrom the Crank shaft ofthezengine. "v,

A still-further object isv to'procluce an auxiliaryfexhaustfor".cylinders to permit flame and heat to escape and thus eliminate in a. large measure the production .of carbon on the valve and the consequent necessity at frequent intervals of removing and planing the valvc.

NV'ith these objects vin vie'i'ir and others as hereinafter appeal', the vinvention consists incertain novel vand peculiar features .of

construction and organization as' hereinafter.

described and claimed and in order that it maybe fully;4r understood reference is tovr be had to the accompanying drawings, in

` which 1 fzyiindrrs superpose:

' cra nk case..

Figure 1, is aside elevation of a four cylinder engine cinbodying n'iy invention. Fig. 2, isa hmiontal section on the line ll-li of Fi". .1., Fi". 2i, is an 'enlarged vertical,

section 4on the liuc Ill-lll ofi Fig. 4. Fig. 4, is iin-horizontal section on the line 1V-'l. V of Fig. 3.l Fig'. is a horizontal section on thc line V-V of Fig. 3. perspective view of the crank shaft" and pistons of. thc engine. Fig. 7, is A:i-detail pcrspcc'tivc view of oncof the rouibincd inlet and exhaust valves rinphiyi-d in duplicate in a four cylinder engine.

ln the said drawings,- ivherc like reference characters identify*corresponding parts, 1 indicates tbc crank case and 2, 4 and!! the l with rrsprrt 1.o and cmuuiuni'cating a oir lonrrends; with thc ljicl ,-'lindcr is provided with one or more auxiliary exhaust ports l) liig. (i, is a detail4 Aconiinunicatingvwith va manifold exhaust chamber 7, and communicating with ythe upper end of said cylinder througie, the headv thereof, isa spark plug of anfelectrical igniter, though it is tobg understood'that the ignition apparatus mayv be of any other or well known type. Each pair of cylinders 2 and 3, and 4 and 5 are also propvided at their. upper or head ends with intake ports. 9 and exhaust ports 10 communicating respectively with "intake and 'exhaust openings 11 Yand 12 'of the-invert`ed rustum-shaped lining 13' of the valve casf ing 14 cast integral by preference, with Vthe cylinders, and communicating l*with -the'interior of each lining `at,its'loi\',er end is a ltuuular arm 15, said arms reeeivingthe charges of explosive mixture for their re# spective cylinders, through the manifold or branched intake pipe 16 leading from the carburetor, not shown.. The u per end "of each valve casing 14 is closed which caps are connected by. a manifold or branched exhaust pipe 18,130 thefmanifold exhaust chamber 7 ,as shown clearly in Fig.

y acap 17 1, the opposite ends'of -said manifold .or

branched pipe cominunicatingthrou'gh the caps 17 with the inter-ion of the lin'mg's 13 at the upper ends of the same.

1A9 indicates an inverted frustum-shaped valve for and fitting snugly and with a gastight relation in each lining 13, and said valve is divided by a horizontal partition 2O into ay lower or intake chamber 21 communicating with the iindcrlyingfarni 15, and an upper or exhaust chamber 22 communicating with tbe exhaust manifold pipe 18. Y Each valve is provided wi'tllan intake port 23 for establishing communication once in each vrevolution between chamber 2l of4 the valve and the ports .9 of the -.a.ssociated pair of cylinders, and `with exhaustport 24V for establishing communication once in each revolution of; thc valve, between exhaust chamber 22 thereof and the exhaust ports l0 nt' said associated cylinders, and` to coperatc in centralizing thc vvalve Vin its lining and insure perfect rotation, each valve is provided with an u|iwardly-projecting tuliular cxtcnsion'' fitting snugly in the overlying rap 17.

"llic partition L0I of tbc valve is provided nitb a .socket Jiriu its underside to nonreiativcly reci-ive the bead 27 of a vertical slm ft J8 extending down through `the arm 15 and bearing ay jourualed and gas-tight rela.-

. terposed .between the vlock-nuts and the .crank` case to reduce friction to the minimum. Y

By means of the lock-nuts the valve can be prevented from 'settling in its liriin such an extent as to develop unnecessary friction. The miter gear 31 meshes with a similar gear vupon shaft 36 equipped with a large gear wheel 37 meshing with asmaller lgear wheel 38= on the crank shaft 39; said shaft being provided 'in a foui cylinder engine, with cranks 40' and 41, and 42 and 43.`

'.44 indicate piston stems connecting said cranks with the pistons `arranged to re-` ciprocate in the cylinders in' the customary manner. Y

'Each pair of cylinders and its associated valve casing is enveloped'in a water-jacket 46, a water-supply pipe 47 being connected to the lower end of each water-jacket and a. discharge'ppe 48 to `the upper end of each jacket. To lubricate each valve, it is provided'vith a longitudinal groove 49, oommunication once in each revolution ',ivith a passage 50 oonstantlylsupplied withfoil by ai ppel, this arrangement' insuring the proper ylubrif'zztion of the valve. i

the -pistons, viz., the piston of cylinder 2,- and tlievalve' associated,therewith 'ithwill be assumed that the pistonisat the limit of vits compression stroke and is aboutA to'move downward lunder ignition openings 11V and .12 are closed by tu At this instant a'spar'k is produced by the ignition Vmechanism and undertliefforce of Referring now to the'operation of-ione'ot- I the explosion the piston is impelled down ward, the valve' rotating a quarter revolution at the same time` because the ratio of movement between the crank shaft and shaft 3G is two to one. As the piston attains itsl most de resscd position a large proportion of the ame and heat escapes through the port 6 of the cylinder into the manifold exhaustl cliainber 7. Shortly after the up' or exhaust stroke of the `piston`starts, viz., after the Apiston has reclosed port 6, the exhaust port 240i the valve comes into communication with opening 12 and port 10 to ,permit the piston in such upstroke to expel or scavenge the dead gases from the cylinder through port 10, opening 12, chamber 22 of the valve and exhaust pipe 18 to the manifold exhaust chamber 7.

As the piston starts on its second down- Said shaft is coupled as atv `-v hatstroke, which is the suction stroke, the exhaust port 24 passes out of communication with opening 12, and intake port 23 of the valve comes into communication with opening 11 and port 9 and a result the cylinder is charged above the piston with the requisite volume of explosive mixture. As the piston starts en its second up-stroke,

viz., the compression stroke, t he rotation ot'v the valve has carriedl'port 23 out of coin inunication with opening 11v and port 9, and

as a result of suchV lip-stroke of the piston and the closure of opening 11 by the valve,l

the explosive mixture is compressed and ready to be. fired at the completion of said upfstroke of the piston, the succeeding op erations being repetitions of the one cycle-of operations described.

In Fi 6, the four difiiirent positions which each piston assumes in one complete cycle of operation,

four pistons occupy the that is to say the piston connected to'crank 40 is in the position it occupies when ignition takes place, the piston connected toA crank 42 is in the depressed position which it occupied preliminary to making its up or exhaust stroke, the piston connected to crank `43 is in the elevated position which it oc? cupies preliminary to the suction stroke and the piston .connected to crank 41 -is in the' depressed position it occupied preliminary to the compression stroke, andv below eachv of said pistons is a diagram illustrativeoffthe`- 'four movements-ofisch pistons5 and-"their preferred relation to each other, that-i'sto'fsay, when the piston connected to crank40.-

ismakiiig its down stroke on igi'iitiomtheV piston connected to crank'43 is makingits ldown stroke o n suction," theV pistons con-A" nected to cranks 42- and141 at the same timel making their up-strokesrespectively on exhaust and compression, the diagrams indieating clearly the relative actions ofthe pistons inl allot their strokes. l

Where the ratio of operationv between the crank shaft andthe valve-operating-shaft 26, is two to one as explained and' a single valve is associated with apair of cylinders,

23 alternately communicates with the openings 11 in communication through the ports 9 with their respective cylinders, and that of course is true of the exhaust port 24.

YV ith the crank shaft and piston operating inthe ratio of two to one, and the openipgs 11 and 12 disposed in the same vertical plane, as shown, it is necessary that ports latter and one ofthe pistons being traced' as follows: As port 23 registers with openings 11, pistou 45 moves downwardjin its suction stroke. As this stroke is ended openit will be understood that the intake port 115 roo eoines into Communieation with opening 1'.' I

to permit the dead gases to be expelled l'roin the Cylinder` and as said piston strolie is completed the port 2l passes out of engagement with opening .12, at whieh time. the crank shaft has made a seeond l'ull revolution so that at the beginning of the seeond cycle of movement of the piston` the'intake port of the valve will again pass into eom- Y munieation with port 11, as will be readily understood. It will be apparent of course other features of advantage enumerated as desirable in the statement of the object of theinvention and that it is suseeptlble of modilieation in various particulars without departing from the essential spirit and scope ol' the appended elaim.

llaving thus deseribed the invention what l'elaim as new and desire to Seeure by Lettersflatent` is:

'l`he eomhination with a plurality of cylinders, eaeh having an inlet port and an eX- haust port. ol' a single valve easing having `a plurality of ports registering severally with eaeh ol` the vlinder ports. a Single rotary valve operating within said easing, a transverse partition dividing said valve into an inlet and an exhaust ehainher. said valve being provided ith axial openings and Said easing also hav ing inlet and outlet openings in eonstant 'oininuneation respeetively with said valve openings. the inlet chamber of ,sa-ill valve being provided with a port adapt- I ed to regifter onee in eaeh revolution with that the openings 11 and 12 may be disposed I in ditferentvertieal planes and the openings in the valve in the same vertical plane, and that by multiplying the ratio of movement between the crank shaft and valve-operating shaft, it will be necessary to likewise multiply the ports 23 and 24 in order that the explosive mixture may be supplied to and the dead gases be expelled from the cylinders at the` proper time.

From the above fleseri tion it will be apparent that I have produced an explosive en ine which will operate eieiently and re,- lia )ly'and without the noise or clutter inei'- dent to the use of reciprocatory or other valves which alternately strike against and move away from their seats. It will also be apparent th'at by providing for the escape of flame through port or erts 6, the deposit of carbon on` the valve will be reduced to a minimum and hence it will be seldom necessary to remove and grind the valve. I t will also be apparent that the engine embodies eat-h ot' the ports of the valve easing that iegister willi the inlet ports ofisaid cylinders for sueeessively supplying an explosive mixture thereto` and the exhaust chamber ot' said valve. being provided with a port adapted to register onee in each revolution with eaeh of the ports of the valve easing that register with the exhaust ports of said cylinders for successively receiving the eX- haust from l@aid cylinders, said partition heing provided eentrally of one of its faces with an angular socket and a valve operating shaft extending axially of the -valve through one of sa id casing openings and the eorrespoinling valve opemn into the valve chamber on the soeketed si e of said partition, said shaft having an angular head fitting snugly into said socket. i

ln testimony whereof I atlix my signature in the presence of two witnesses.

CHARLES L. COOKSON. lrVitnesses H. C. Renens, G. Y. Timm. 

